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Date:	Wed, 05 Dec 2007 22:10:31 +1100
From:	Michael Ellerman <>
To:	Greg KH <>
Cc:	"Kyle A. Lucke" <>,
	David Gibson <>,,,
Subject: Re: drivers/net/iseries_veth.c dubious sysfs usage

On Wed, 2007-12-05 at 01:30 -0800, Greg KH wrote:
> In doing a massive kobject cleanup of the kernel tree, I ran across the
> iseries_veth.c driver.
> It looks like the driver is creating a number of subdirectories under
> the driver sysfs directory.  This is odd and probably wrong.  You want
> these virtual connections to show up in the main sysfs device tree, not
> under the driver directory.
> I'll be glad to totally guess and try to move it around in the sysfs
> tree, but odds are I'll get it all wrong as I can't really test this
> out :)
> Any hints on what this driver is trying to do in this sysfs directories?

I wrote the code, I think, but it's been a while - I'll have a look at
it tomorrow.

Why is it "odd and probably wrong" to create subdirectories under the
driver in sysfs?


Michael Ellerman
OzLabs, IBM Australia Development Lab

phone: +61 2 6212 1183 (tie line 70 21183)

We do not inherit the earth from our ancestors,
we borrow it from our children. - S.M.A.R.T Person

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